Probably one of the most widespread accessories for people are wristwatches. Since their evolution in the 17th century from spring powered clocks wristwatch designs continued to fascinate. This post presents you some of the most original wristwatch designs.
For example, this watch would be a math fan watch. This one has displayed different mathematical operations, some numbers and even a question mark. No doubt, you can’t use this watch, if you didn’t go to school.